package com.wk.util;

import java.text.DecimalFormat;

public class DoubleTest {

	public static void main(String[] args) {
		
		
		/*Double d =1234567.045;
		DecimalFormat  d1 = new DecimalFormat("###,##0.000");
		System.out.println(d1.format(d));*/
		
		String a =getNum();
		
		if(true){
			return;
		}
		
		if(null==a){
			System.out.println("ssss");
		}
	}

	private static String getNum() {
		
		String aa =null;
		
		try{
			aa.startsWith("aa");
			return "11";
		}catch(Exception e){
			return "22";
		}
		finally{
		}
	}

}
